CN217950360U - A cut water structure for shaft construction - Google Patents
A cut water structure for shaft construction Download PDFInfo
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- CN217950360U CN217950360U CN202222288677.2U CN202222288677U CN217950360U CN 217950360 U CN217950360 U CN 217950360U CN 202222288677 U CN202222288677 U CN 202222288677U CN 217950360 U CN217950360 U CN 217950360U
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Abstract
The utility model discloses a water intercepting structure for shaft construction, including shaft cliff and the one-time lining cutting that sets up around shaft cliff curved surface direction, one side that one-time lining cutting is close to the shaft cliff still is equipped with inserts in the shaft cliff, and the cross-section is right triangle's hoop cut water tank, one side that one-time lining cutting is kept away from the shaft cliff and corresponding annular cut water tank position department still are equipped with the water intercepting board that encircles one-time lining cutting a week, cut water board bottom is connected with one-time lining cutting, the top is along keeping away from the direction slope setting of one-time lining cutting, and form V type basin between one-time lining cutting, be linked together through horizontal stand pipe between V type basin and the hoop cut water tank, the below of annular cut water tank still is equipped with the header tank; the utility model discloses the construction is simple, can with well body excavation synchronous construction, structural design is simple, easily realize easy operation, can effectually be favorable to improving the construction progress of shaft to the effectual damming of inside and outside rivers of a lining wall of a well, has fine economic benefits.
Description
Technical Field
The utility model relates to a dispersant technical field specifically is a cut off water structure for shaft construction.
Background
Water is a key factor for restricting the construction progress of the vertical shaft in the construction process of the deep and large vertical shaft, and bedrock fracture water is more and more obvious along with the increase of the tunneling depth of the vertical shaft. In the alpine region, the temperature rises in summer and the ground temperature rises, the accumulated snow on the ground surface melts and enters the bedrock along ground surface cracks, so that rain-like water flows out of the excavated well wall, and the underground water level rises to cause well flooding accidents. The technical measures of ground pre-grouting and tunnel face curtain grouting are generally adopted for water treatment in the technical field of coal mine construction, so that bed rock fracture water is controlled within a certain range, and grouting is performed after the wall is adopted to stop water in the process of shaft tunneling, and then further plugging is performed, and the purpose of drilling a 'dry well' is achieved. The wall back grouting is implemented before pouring the primary lining mold concrete after the high slag discharging of the section is finished, or the high wall back grouting of the previous section is implemented after the construction of the next section of high mold concrete is finished. Therefore, the construction environment of the tunnel face is poor, civilized construction is not facilitated, the time consumption is long, the construction progress is influenced, and the control of the construction period of the vertical shaft is not facilitated. And the grouting effect is not good. And the grouting after the wall needs reorganization personnel to construct, additionally increases the labor force, and improves the construction cost.
Therefore, it is highly desirable to provide a water intercepting structure for shaft construction.
Disclosure of Invention
An object of the utility model is to provide a cut water structure for shaft construction for solve above-mentioned problem.
The utility model discloses a following technical scheme realizes:
the utility model provides a cut water structure for shaft construction, includes shaft cliff and encircles the primary lining cutting that shaft cliff curved surface direction set up, the one side that primary lining cutting is close to the shaft cliff still is equipped with the hoop cut water groove that imbeds in the shaft cliff, and the cross-section is right triangle, the one side that primary lining cutting kept away from the shaft cliff and correspond hoop cut water groove position department still are equipped with the cutting board of encircleing a lining cutting a week, cutting board bottom is connected with primary lining cutting, the top along the direction slope setting of keeping away from primary lining cutting and with form V type basin between the primary lining cutting, be linked together through the aqueduct that inclines in hoop cut water groove between V type basin and the hoop cut water groove, the below in hoop cut water groove still is equipped with the header tank, the top of header tank is linked together through vertical aqueduct and hoop cut water groove.
Further, the top end of the vertical water guiding pipe is located at the bottom end of the annular water intercepting groove, so that water flow is collected at the position of the vertical water guiding pipe, preferably, the pipe diameter of the vertical water guiding pipe is equal to that of the water guiding pipe, and the vertical water guiding pipe is fixed on a vertical shaft rock wall through the U-shaped clamping piece.
Furthermore, a water suction pump is installed inside the water collection tank, and a pipeline reserved hole for a water delivery pipeline of the water suction pump to penetrate through is further formed in the position, corresponding to the water suction pump, of the primary lining; through the setting of suction pump, can be convenient for extract the ponding in the sump tank and through the interim sump tank of hydraulic pipeline pump sending to the platform sling in the shaft or well external cyclic utilization.
Furthermore, a plurality of water level sensing alarm devices connected with the water pump in a starting and stopping mode are further arranged in the water collecting tank, and through the arrangement of the water level alarm devices, when the water level in the water collecting tank reaches the highest water level line, the water level sensing alarm devices can start to work and give out an alarm so as to start the water pump to pump the water in the water collecting tank to the temporary hanging scaffold water tank or the external well for recycling.
Furthermore, the upper part of the annular water intercepting tank is also inserted with a water guiding and discharging pipe for guiding the concentrated water flow in the rock wall of the vertical shaft into the annular water intercepting tank, because concentrated water flow or strand-shaped water outlet points are usually arranged in the rock wall, and therefore, aiming at the concentrated water flow or strand-shaped water outlet points, a user sets a water guiding and discharging pipe to guide the water flow into the annular water intercepting tank in a concentrated manner.
Furthermore, the side surfaces of the annular water intercepting plate and the annular water intercepting groove are provided with annular longitudinal slopes which tend to the direction of the water collecting tank, and the annular water intercepting groove needs to be subjected to anti-seepage treatment.
Compared with the prior art, this practicality has following advantage and beneficial effect:
(1) The utility model discloses a ring direction cut-off basin, cut-off board, header tank and the suction pump that set up between primary lining cutting and shaft cliff can collect the slit water of cliff and the outside dribbling form of the wall of a well play water in the header tank, through the water pump sending in the header tank to the temporary water tank on the hoist disc in the shaft or the outer cyclic utilization of well, realize cutting off the dribbling form play water, infiltration, cliff fracture water of lining cutting outer wall, inner wall with this, prevent its further downward spreading to concentrate on the face of the palm, ensure that the face of the palm is constructed dry, improve the construction progress;
(2) The utility model has simple construction, can synchronously construct with well excavation, has simple structural design, is easy to realize and operate, can effectively and effectively intercept the water flow inside and outside the once lining well wall, is favorable for improving the construction progress of the vertical shaft and has good economic benefit;
(3) The water interception structure can realize water interception and drainage simultaneously, the design structure is simple, the construction is convenient, safe and reliable, the water interception structure can be arranged in multiple sections, the operability is strong, the water interception effect is good, the annular water interception groove and the water interception plate are easy to realize, and the water interception plate can effectively intercept the bed rock fracture water inside and outside the primary lining and rain-like dripping water, ensure that the tunnel face is always in a dry operation environment, ensure that the water interception plate does not influence the lifting of a hanging scaffold in the well, ensure the smooth transportation of materials in the well, not influence the tunneling speed and be beneficial to realizing the total construction period target of the well;
(4) The annular water intercepting tank, the water collecting tank and the water intercepting plate can be synchronously constructed in the shaft tunneling construction process of the vertical shaft without additionally organizing constructors for construction, the working procedures are connected tightly, the water collecting tank adopts an intelligent and informatization means for pumping water, the investment of extra labor force is saved, the construction cost is reduced, the collected water in the water collecting well can be recycled after being pumped out of the vertical shaft, and the resource saving is facilitated;
(5) The components such as the water collecting tank, the water interception plate, the water guide pipe, the U-shaped clamp and the like can be made of local materials, the price is low, the construction cost is saved, the installation is convenient, the processing of each component is convenient, and the construction efficiency is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1. a shaft wall; 2. primary lining; 20. reserving a hole in the pipeline; 3. an annular water intercepting tank; 4. a water interception plate; 5. a water conduit; 6. a water collection tank; 7. a vertical aqueduct; 8. a water pump; 9. a water delivery pipeline; 10. a water level sensing alarm device; 11. a water guiding and discharging pipe.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
First, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 2, the embodiment provides a water intercepting structure for shaft construction, which includes a shaft rock wall 1 and a primary lining 2 arranged around the curved surface direction of the shaft rock wall 1, wherein a circumferential water intercepting groove 3 which is inserted into the shaft rock wall 1 and has a right-angled triangle cross section is further arranged on one surface of the primary lining 2 close to the shaft rock wall 1, a water intercepting plate 4 which surrounds the primary lining 2 for one circle is further arranged on one surface of the primary lining 2 away from the shaft rock wall 1 and corresponds to the circumferential water intercepting groove, the bottom end of the water intercepting plate 4 is connected with the primary lining 2, the top end of the water intercepting plate is obliquely arranged along the direction away from the primary lining 2, and forms a V-shaped water groove with the primary lining 2, the V-shaped water groove is communicated with the circumferential water intercepting groove 3 through a water guide pipe 5, a water collecting tank 6 is further arranged below the circumferential water intercepting groove, and the top of the water collecting tank 6 is communicated with the circumferential water intercepting groove 3 through a vertical water guide pipe 7; it is further noted that the intercepting plate 4 is preferably made of a rigid non-deformable material and extends into the shaft to a length that does not affect the up and down movement of the platform in the shaft.
This cut-off water structure can realize cut-off and drainage simultaneously, the design simple structure, construction convenience safe and reliable, can build the vertical interval setting of concrete shaft wall along a lining cutting mould, high operability, it is effectual to cut off, ring direction cut-off groove and cut-off board easily realize and can effectually cut off inside and outside wall bedrock crack water of a lining cutting and drench the form of drippage and drip out water, ensure that the face is in dry operation environment all the time, the hanging scaffold promotes in the well is not influenced to the nature of falling V cut-off board, and guarantee that material transport is unblocked in the well, do not influence tunnelling speed, be favorable to the realization of total time limit for a project goal of shaft, components such as header tank, cut-off board, vertical aqueduct, U-shaped fastener can draw materials on the spot simultaneously, low price, practice thrift construction cost, and convenient installation, each component processing is convenient, and the efficiency of construction is high.
In the above embodiment, preferably, an anti-leakage layer formed by spraying concrete or pouring waterproof concrete is further disposed between the circumferential water intercepting tank 3 and the vertical shaft rock wall 1, the water guiding pipe 5 may be made of rigid pipes similar to PVC, and the inner diameter of the pipe is not less than 50mm, wherein the size of the water collecting tank 6 may be determined according to the amount of rain on the well wall and the amount of water in the rock wall crack water, and the water collecting tank is manufactured by field processing of a rigid plastic bucket or a steel plate.
In this embodiment, the top of vertical aqueduct is located the bottom that the annular cut water tank to in 7 positions department with rivers collecing in vertical aqueduct, it is comparatively preferred, the pipe diameter of vertical aqueduct 7 equals with the pipe diameter of aqueduct 5, and vertical aqueduct 7 passes through the U type fastener to be fixed on shaft cliff 1, wherein the U type fastener can select phi 8 mm's plain round steel to concentrate processing in the reinforcing bar field for use.
In this embodiment, a water suction pump 8 is further installed inside the water collection tank 6, and a pipeline preformed hole 20 for a water delivery pipeline 9 of the water suction pump 8 to pass through is further formed in the position, corresponding to the water storage pump, of the primary lining 2; through the setting of suction pump 8, can be convenient for extract the ponding in the header tank 6 and through 9 pump pumping of conduit pipe to the temporary water tanks of platform sling in the shaft or the outer cyclic utilization of well, more preferably, the optional high-lift water pump that uses of water pump.
In this embodiment, still be equipped with a plurality of and water pump 8 in the water collection tank 6 and open and stop water level sensing alarm device 10 of being connected, through the setting of water level sensing alarm device 10, when the water level in the water collection tank 6 reachd the highest water level line, water level sensing alarm device 10 can begin work and send out the police dispatch newspaper to start water pump 8 and extract the water in the water collection tank 6 to the interim water tank of hanging scaffold or the outer cyclic utilization of well. It should be noted that the water level sensing alarm device 10 is model ZSB127, and is commercially available, which is a prior art, and in this embodiment, the water level sensing alarm device 10 is connected to the water pump 8 through a feedback circuit.
In this embodiment, the upper portion of the annular water intercepting tank is further inserted with a drainage pipe 11 for guiding the water flow in the vertical shaft rock wall 1 into the annular water intercepting tank, because there are often concentrated water flow or strand water outlet points in the rock wall, and therefore, for the concentrated water flow or strand water outlet points, a user sets a drainage pipe to guide the water flow into the annular water intercepting tank 3 in a concentrated manner.
In this embodiment, the side of the annular water intercepting plate 4 and the annular water intercepting groove 3 are provided with annular longitudinal slopes inclined to the direction of the water collecting tank 6, and the annular water intercepting groove 3 needs to be subjected to anti-seepage treatment so as to guide concentrated water flow, thereby realizing water interception.
Example 2
In order to further prove the structural advantages of the above embodiment, the embodiment is described by combining the construction of a 22.13 km-grade extra-long tunnel in Xinjiang, and the tunnel adopts a design scheme of '3 holes +4 vertical shafts', wherein the shaft body of the No. 4 vertical shaft is designed to have a net diameter of 9.0m, a maximum excavation diameter of 11.3m, and a shaft body of 645.4m. According to the geological data that No. 4 vertical shaft surrounding rock is marble, cracks develop, rock strata are broken, the distance from an F7 fault broken belt 107m, the layered water inflow of No. 4-1 vertical shaft is 7062 mm/d, the layered water inflow of No. 4-2 vertical shaft is 7186 mm/d, the conversion is that the water inflow per hour is 294.25 m/h-299.42 m for harvest/h, and after the ground pre-grouting water-blocking technology is implemented in 2021 year, 26 months after 5 months after 2021 year and 10 months after 28 months after 2021 year, rain-like drop-shaped water outflow appears on the well wall when the tunnel face of the vertical shaft tunnels to 225m, the rain-like drop-shaped water outflow descends along with the downward tunneling of the tunnel face, and a water-blocking measure of an annular water-blocking groove, a water collecting tank and a water plate is arranged behind the wall in the construction process, so that the well bottom construction face of the well has a good environment and the purpose of drilling a dry well.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a cut water structure for shaft construction, includes shaft cliff (1) and encircles primary lining (2) that shaft cliff (1) curved surface direction set up, its characterized in that, the one side that primary lining (2) are close to shaft cliff (1) still is equipped with embedding in shaft cliff (1), and the cross-section is right triangle's hoop cut water groove (3), the one side that shaft cliff (1) was kept away from in primary lining (2) and correspond hoop cut water groove position department still are equipped with and encircle cut water board (4) of one week of primary lining (2), cut water board (4) bottom is connected with primary lining (2), the top along the direction slope setting of keeping away from primary lining (2) and with form V type basin between primary lining (2), be linked together through slope in aqueduct (5) of hoop cut water groove (3) between V type basin and the hoop cut water groove (3), the below of hoop cut water tank (3) still is equipped with header tank (6), the top of header tank (6) is linked together through hoop cut water pipe (7) and hoop.
2. A water interception structure for shaft construction according to claim 1, characterized in that the top of said vertical water guiding pipe (7) is located at the bottom of the annular water intercepting tank.
3. The water intercepting structure for shaft construction according to claim 1, wherein a water suction pump (8) is installed inside the water collecting tank (6), and a pipeline reserved hole (20) for a water conveying pipeline (9) on the water suction pump (8) to pass through is further formed in the position of the primary lining (2) corresponding to the water suction pump (8).
4. The water interception structure for shaft construction according to claim 3, wherein said water collection tank (6) is further provided with a plurality of water level sensing alarm devices (10) connected with said water pump (8) for starting and stopping.
5. A water intercepting structure for shaft construction according to claim 1, wherein a water introduction and drainage pipe (11) for guiding concentrated water flow in the shaft rock wall (1) into the annular water intercepting tank (3) is further inserted in the upper part of the annular water intercepting tank.
6. The water intercepting structure for shaft construction according to claim 1, characterized in that the side surfaces of the annular water intercepting plate (4) and the annular water intercepting groove (3) are provided with annular longitudinal slopes which tend to the direction of the water collecting tank (6), and the annular water intercepting groove (3) is subjected to anti-seepage treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288677.2U CN217950360U (en) | 2022-08-30 | 2022-08-30 | A cut water structure for shaft construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288677.2U CN217950360U (en) | 2022-08-30 | 2022-08-30 | A cut water structure for shaft construction |
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| CN217950360U true CN217950360U (en) | 2022-12-02 |
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| CN202222288677.2U Active CN217950360U (en) | 2022-08-30 | 2022-08-30 | A cut water structure for shaft construction |
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- 2022-08-30 CN CN202222288677.2U patent/CN217950360U/en active Active
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